281124844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1151}}^1$

素因数の和:1247

約数の個数: 96

約数和(自身を含む): 671956992

約数和(自身を除く): 390832148

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 61, 77, 91, 122, 143, 154, 182, 244, 286, 308, 364, 427, 572, 671, 793, 854, 1001, 1151, 1342, 1586, 1708, 2002, 2302, 2684, 3172, 4004, 4604, 4697, 5551, 8057, 8723, 9394, 11102, 12661, 14963, 16114, 17446, 18788, 22204, 25322, 29926, 32228, 34892, 50644, 59852, 61061, 70211, 88627, 104741, 122122, 140422, 164593, 177254, 209482, 244244, 280844, 329186, 354508, 418964, 491477, 658372, 772321, 912743, 982954, 1152151, 1544642, 1825486, 1965908, 2304302, 3089284, 3650972, 4608604, 5406247, 6389201, 10040173, 10812494, 12778402, 20080346, 21624988, 25556804, 40160692, 70281211, 140562422, 281124844]

約数ペア:

[(1, 281124844), (2, 140562422), (4, 70281211), (7, 40160692), (11, 25556804), (13, 21624988), (14, 20080346), (22, 12778402), (26, 10812494), (28, 10040173), (44, 6389201), (52, 5406247), (61, 4608604), (77, 3650972), (91, 3089284), (122, 2304302), (143, 1965908), (154, 1825486), (182, 1544642), (244, 1152151), (286, 982954), (308, 912743), (364, 772321), (427, 658372), (572, 491477), (671, 418964), (793, 354508), (854, 329186), (1001, 280844), (1151, 244244), (1342, 209482), (1586, 177254), (1708, 164593), (2002, 140422), (2302, 122122), (2684, 104741), (3172, 88627), (4004, 70211), (4604, 61061), (4697, 59852), (5551, 50644), (8057, 34892), (8723, 32228), (9394, 29926), (11102, 25322), (12661, 22204), (14963, 18788), (16114, 17446)]