131245452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 379753920

約数和(自身を除く): 248508468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 89, 92, 117, 137, 138, 156, 178, 207, 234, 267, 274, 276, 299, 356, 411, 414, 468, 534, 548, 598, 801, 822, 828, 897, 1068, 1157, 1196, 1233, 1602, 1644, 1781, 1794, 2047, 2314, 2466, 2691, 3151, 3204, 3471, 3562, 3588, 4094, 4628, 4932, 5343, 5382, 6141, 6302, 6942, 7124, 8188, 9453, 10413, 10686, 10764, 12193, 12282, 12604, 13884, 16029, 18423, 18906, 20826, 21372, 24386, 24564, 26611, 28359, 32058, 36579, 36846, 37812, 40963, 41652, 48772, 53222, 56718, 64116, 73158, 73692, 79833, 81926, 106444, 109737, 113436, 122889, 146316, 158509, 159666, 163852, 219474, 239499, 245778, 280439, 317018, 319332, 368667, 438948, 475527, 478998, 491556, 560878, 634036, 737334, 841317, 951054, 957996, 1121756, 1426581, 1474668, 1682634, 1902108, 2523951, 2853162, 3365268, 3645707, 5047902, 5706324, 7291414, 10095804, 10937121, 14582828, 21874242, 32811363, 43748484, 65622726, 131245452]

約数ペア:

[(1, 131245452), (2, 65622726), (3, 43748484), (4, 32811363), (6, 21874242), (9, 14582828), (12, 10937121), (13, 10095804), (18, 7291414), (23, 5706324), (26, 5047902), (36, 3645707), (39, 3365268), (46, 2853162), (52, 2523951), (69, 1902108), (78, 1682634), (89, 1474668), (92, 1426581), (117, 1121756), (137, 957996), (138, 951054), (156, 841317), (178, 737334), (207, 634036), (234, 560878), (267, 491556), (274, 478998), (276, 475527), (299, 438948), (356, 368667), (411, 319332), (414, 317018), (468, 280439), (534, 245778), (548, 239499), (598, 219474), (801, 163852), (822, 159666), (828, 158509), (897, 146316), (1068, 122889), (1157, 113436), (1196, 109737), (1233, 106444), (1602, 81926), (1644, 79833), (1781, 73692), (1794, 73158), (2047, 64116), (2314, 56718), (2466, 53222), (2691, 48772), (3151, 41652), (3204, 40963), (3471, 37812), (3562, 36846), (3588, 36579), (4094, 32058), (4628, 28359), (4932, 26611), (5343, 24564), (5382, 24386), (6141, 21372), (6302, 20826), (6942, 18906), (7124, 18423), (8188, 16029), (9453, 13884), (10413, 12604), (10686, 12282), (10764, 12193)]