131523288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 379753920

約数和(自身を除く): 248230632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 137, 156, 181, 204, 221, 274, 312, 362, 408, 411, 442, 543, 548, 663, 724, 822, 884, 1086, 1096, 1326, 1448, 1644, 1768, 1781, 2172, 2329, 2353, 2652, 3077, 3288, 3562, 4344, 4658, 4706, 5304, 5343, 6154, 6987, 7059, 7124, 9231, 9316, 9412, 10686, 12308, 13974, 14118, 14248, 18462, 18632, 18824, 21372, 24616, 24797, 27948, 28236, 30277, 36924, 40001, 42744, 49594, 55896, 56472, 60554, 73848, 74391, 80002, 90831, 99188, 120003, 121108, 148782, 160004, 181662, 198376, 240006, 242216, 297564, 320008, 322361, 363324, 421549, 480012, 595128, 644722, 726648, 843098, 960024, 967083, 1264647, 1289444, 1686196, 1934166, 2529294, 2578888, 3372392, 3868332, 5058588, 5480137, 7736664, 10117176, 10960274, 16440411, 21920548, 32880822, 43841096, 65761644, 131523288]

約数ペア:

[(1, 131523288), (2, 65761644), (3, 43841096), (4, 32880822), (6, 21920548), (8, 16440411), (12, 10960274), (13, 10117176), (17, 7736664), (24, 5480137), (26, 5058588), (34, 3868332), (39, 3372392), (51, 2578888), (52, 2529294), (68, 1934166), (78, 1686196), (102, 1289444), (104, 1264647), (136, 967083), (137, 960024), (156, 843098), (181, 726648), (204, 644722), (221, 595128), (274, 480012), (312, 421549), (362, 363324), (408, 322361), (411, 320008), (442, 297564), (543, 242216), (548, 240006), (663, 198376), (724, 181662), (822, 160004), (884, 148782), (1086, 121108), (1096, 120003), (1326, 99188), (1448, 90831), (1644, 80002), (1768, 74391), (1781, 73848), (2172, 60554), (2329, 56472), (2353, 55896), (2652, 49594), (3077, 42744), (3288, 40001), (3562, 36924), (4344, 30277), (4658, 28236), (4706, 27948), (5304, 24797), (5343, 24616), (6154, 21372), (6987, 18824), (7059, 18632), (7124, 18462), (9231, 14248), (9316, 14118), (9412, 13974), (10686, 12308)]