87809764

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 186157440

約数和(自身を除く): 98347676

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 79, 98, 106, 107, 158, 196, 212, 214, 316, 371, 428, 553, 742, 749, 1106, 1484, 1498, 2212, 2597, 2996, 3871, 4187, 5194, 5243, 5671, 7742, 8374, 8453, 10388, 10486, 11342, 15484, 16748, 16906, 20972, 22684, 29309, 33812, 39697, 58618, 59171, 79394, 117236, 118342, 158788, 205163, 236684, 277879, 410326, 414197, 448009, 555758, 820652, 828394, 896018, 1111516, 1656788, 1792036, 3136063, 6272126, 12544252, 21952441, 43904882, 87809764]

約数ペア:

[(1, 87809764), (2, 43904882), (4, 21952441), (7, 12544252), (14, 6272126), (28, 3136063), (49, 1792036), (53, 1656788), (79, 1111516), (98, 896018), (106, 828394), (107, 820652), (158, 555758), (196, 448009), (212, 414197), (214, 410326), (316, 277879), (371, 236684), (428, 205163), (553, 158788), (742, 118342), (749, 117236), (1106, 79394), (1484, 59171), (1498, 58618), (2212, 39697), (2597, 33812), (2996, 29309), (3871, 22684), (4187, 20972), (5194, 16906), (5243, 16748), (5671, 15484), (7742, 11342), (8374, 10486), (8453, 10388)]