391556412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 1113944832

約数和(自身を除く): 722388420

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 137, 156, 186, 197, 234, 274, 279, 372, 394, 403, 411, 468, 548, 558, 591, 788, 806, 822, 1116, 1182, 1209, 1233, 1612, 1644, 1773, 1781, 2364, 2418, 2466, 2561, 3546, 3562, 3627, 4247, 4836, 4932, 5122, 5343, 6107, 7092, 7124, 7254, 7683, 8494, 10244, 10686, 12214, 12741, 14508, 15366, 16029, 16988, 18321, 21372, 23049, 24428, 25482, 26989, 30732, 32058, 36642, 38223, 46098, 50964, 53978, 54963, 55211, 64116, 73284, 76446, 79391, 80967, 92196, 107956, 109926, 110422, 152892, 158782, 161934, 165633, 219852, 220844, 238173, 242901, 317564, 323868, 331266, 350857, 476346, 485802, 496899, 662532, 701714, 714519, 836659, 952692, 971604, 993798, 1052571, 1403428, 1429038, 1673318, 1987596, 2105142, 2509977, 2858076, 3157713, 3346636, 4210284, 5019954, 6315426, 7529931, 10039908, 10876567, 12630852, 15059862, 21753134, 30119724, 32629701, 43506268, 65259402, 97889103, 130518804, 195778206, 391556412]

約数ペア:

[(1, 391556412), (2, 195778206), (3, 130518804), (4, 97889103), (6, 65259402), (9, 43506268), (12, 32629701), (13, 30119724), (18, 21753134), (26, 15059862), (31, 12630852), (36, 10876567), (39, 10039908), (52, 7529931), (62, 6315426), (78, 5019954), (93, 4210284), (117, 3346636), (124, 3157713), (137, 2858076), (156, 2509977), (186, 2105142), (197, 1987596), (234, 1673318), (274, 1429038), (279, 1403428), (372, 1052571), (394, 993798), (403, 971604), (411, 952692), (468, 836659), (548, 714519), (558, 701714), (591, 662532), (788, 496899), (806, 485802), (822, 476346), (1116, 350857), (1182, 331266), (1209, 323868), (1233, 317564), (1612, 242901), (1644, 238173), (1773, 220844), (1781, 219852), (2364, 165633), (2418, 161934), (2466, 158782), (2561, 152892), (3546, 110422), (3562, 109926), (3627, 107956), (4247, 92196), (4836, 80967), (4932, 79391), (5122, 76446), (5343, 73284), (6107, 64116), (7092, 55211), (7124, 54963), (7254, 53978), (7683, 50964), (8494, 46098), (10244, 38223), (10686, 36642), (12214, 32058), (12741, 30732), (14508, 26989), (15366, 25482), (16029, 24428), (16988, 23049), (18321, 21372)]