259616916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 748500480

約数和(自身を除く): 488883564

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 89, 92, 117, 138, 156, 178, 207, 234, 267, 271, 276, 299, 356, 414, 468, 534, 542, 598, 801, 813, 828, 897, 1068, 1084, 1157, 1196, 1602, 1626, 1794, 2047, 2314, 2439, 2691, 3204, 3252, 3471, 3523, 3588, 4094, 4628, 4878, 5382, 6141, 6233, 6942, 7046, 8188, 9756, 10413, 10569, 10764, 12282, 12466, 13884, 14092, 18423, 18699, 20826, 21138, 24119, 24564, 24932, 26611, 31707, 36846, 37398, 41652, 42276, 48238, 53222, 56097, 63414, 72357, 73692, 74796, 79833, 81029, 96476, 106444, 112194, 126828, 144714, 159666, 162058, 217071, 224388, 239499, 243087, 289428, 313547, 319332, 324116, 434142, 478998, 486174, 554737, 627094, 729261, 868284, 940641, 957996, 972348, 1109474, 1254188, 1458522, 1664211, 1881282, 2218948, 2821923, 2917044, 3328422, 3762564, 4992633, 5643846, 6656844, 7211581, 9985266, 11287692, 14423162, 19970532, 21634743, 28846324, 43269486, 64904229, 86538972, 129808458, 259616916]

約数ペア:

[(1, 259616916), (2, 129808458), (3, 86538972), (4, 64904229), (6, 43269486), (9, 28846324), (12, 21634743), (13, 19970532), (18, 14423162), (23, 11287692), (26, 9985266), (36, 7211581), (39, 6656844), (46, 5643846), (52, 4992633), (69, 3762564), (78, 3328422), (89, 2917044), (92, 2821923), (117, 2218948), (138, 1881282), (156, 1664211), (178, 1458522), (207, 1254188), (234, 1109474), (267, 972348), (271, 957996), (276, 940641), (299, 868284), (356, 729261), (414, 627094), (468, 554737), (534, 486174), (542, 478998), (598, 434142), (801, 324116), (813, 319332), (828, 313547), (897, 289428), (1068, 243087), (1084, 239499), (1157, 224388), (1196, 217071), (1602, 162058), (1626, 159666), (1794, 144714), (2047, 126828), (2314, 112194), (2439, 106444), (2691, 96476), (3204, 81029), (3252, 79833), (3471, 74796), (3523, 73692), (3588, 72357), (4094, 63414), (4628, 56097), (4878, 53222), (5382, 48238), (6141, 42276), (6233, 41652), (6942, 37398), (7046, 36846), (8188, 31707), (9756, 26611), (10413, 24932), (10569, 24564), (10764, 24119), (12282, 21138), (12466, 20826), (13884, 18699), (14092, 18423)]