16680488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 36115200

約数和(自身を除く): 19434712

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 47, 74, 88, 94, 109, 148, 188, 218, 296, 376, 407, 436, 517, 814, 872, 1034, 1199, 1628, 1739, 2068, 2398, 3256, 3478, 4033, 4136, 4796, 5123, 6956, 8066, 9592, 10246, 13912, 16132, 19129, 20492, 32264, 38258, 40984, 44363, 56353, 76516, 88726, 112706, 153032, 177452, 189551, 225412, 354904, 379102, 450824, 758204, 1516408, 2085061, 4170122, 8340244, 16680488]

約数ペア:

[(1, 16680488), (2, 8340244), (4, 4170122), (8, 2085061), (11, 1516408), (22, 758204), (37, 450824), (44, 379102), (47, 354904), (74, 225412), (88, 189551), (94, 177452), (109, 153032), (148, 112706), (188, 88726), (218, 76516), (296, 56353), (376, 44363), (407, 40984), (436, 38258), (517, 32264), (814, 20492), (872, 19129), (1034, 16132), (1199, 13912), (1628, 10246), (1739, 9592), (2068, 8066), (2398, 6956), (3256, 5123), (3478, 4796), (4033, 4136)]