263937968

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4066

約数の個数: 80

約数和(自身を含む): 635197440

約数和(自身を除く): 371259472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1178, 1736, 2128, 2356, 3472, 4001, 4123, 4712, 8002, 8246, 9424, 16004, 16492, 28007, 32008, 32984, 56014, 64016, 65968, 76019, 112028, 124031, 152038, 224056, 248062, 304076, 448112, 496124, 532133, 608152, 868217, 992248, 1064266, 1216304, 1736434, 1984496, 2128532, 2356589, 3472868, 4257064, 4713178, 6945736, 8514128, 9426356, 13891472, 16496123, 18852712, 32992246, 37705424, 65984492, 131968984, 263937968]

約数ペア:

[(1, 263937968), (2, 131968984), (4, 65984492), (7, 37705424), (8, 32992246), (14, 18852712), (16, 16496123), (19, 13891472), (28, 9426356), (31, 8514128), (38, 6945736), (56, 4713178), (62, 4257064), (76, 3472868), (112, 2356589), (124, 2128532), (133, 1984496), (152, 1736434), (217, 1216304), (248, 1064266), (266, 992248), (304, 868217), (434, 608152), (496, 532133), (532, 496124), (589, 448112), (868, 304076), (1064, 248062), (1178, 224056), (1736, 152038), (2128, 124031), (2356, 112028), (3472, 76019), (4001, 65968), (4123, 64016), (4712, 56014), (8002, 32984), (8246, 32008), (9424, 28007), (16004, 16492)]