287451654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 734330880

約数和(自身を除く): 446879226

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 29, 31, 42, 46, 58, 62, 69, 87, 93, 138, 161, 174, 186, 203, 217, 322, 331, 406, 434, 483, 609, 651, 662, 667, 713, 899, 966, 993, 1218, 1302, 1334, 1426, 1798, 1986, 2001, 2139, 2317, 2697, 4002, 4278, 4634, 4669, 4991, 5394, 6293, 6951, 7613, 9338, 9599, 9982, 10261, 12586, 13902, 14007, 14973, 15226, 18879, 19198, 20522, 20677, 22839, 28014, 28797, 29946, 30783, 37758, 41354, 45678, 53291, 57594, 61566, 62031, 67193, 71827, 106582, 124062, 134386, 143654, 144739, 159873, 201579, 215481, 220777, 236003, 289478, 297569, 319746, 403158, 430962, 434217, 441554, 472006, 595138, 662331, 708009, 868434, 892707, 1324662, 1416018, 1545439, 1652021, 1785414, 2082983, 3090878, 3304042, 4165966, 4636317, 4956063, 6248949, 6844087, 9272634, 9912126, 12497898, 13688174, 20532261, 41064522, 47908609, 95817218, 143725827, 287451654]

約数ペア:

[(1, 287451654), (2, 143725827), (3, 95817218), (6, 47908609), (7, 41064522), (14, 20532261), (21, 13688174), (23, 12497898), (29, 9912126), (31, 9272634), (42, 6844087), (46, 6248949), (58, 4956063), (62, 4636317), (69, 4165966), (87, 3304042), (93, 3090878), (138, 2082983), (161, 1785414), (174, 1652021), (186, 1545439), (203, 1416018), (217, 1324662), (322, 892707), (331, 868434), (406, 708009), (434, 662331), (483, 595138), (609, 472006), (651, 441554), (662, 434217), (667, 430962), (713, 403158), (899, 319746), (966, 297569), (993, 289478), (1218, 236003), (1302, 220777), (1334, 215481), (1426, 201579), (1798, 159873), (1986, 144739), (2001, 143654), (2139, 134386), (2317, 124062), (2697, 106582), (4002, 71827), (4278, 67193), (4634, 62031), (4669, 61566), (4991, 57594), (5394, 53291), (6293, 45678), (6951, 41354), (7613, 37758), (9338, 30783), (9599, 29946), (9982, 28797), (10261, 28014), (12586, 22839), (13902, 20677), (14007, 20522), (14973, 19198), (15226, 18879)]