129128636

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18671}}^1$

素因数の和:18714

約数の個数: 48

約数和(自身を含む): 292776960

約数和(自身を除く): 163648324

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 18671, 37342, 74684, 130697, 242723, 261394, 354749, 485446, 522788, 709498, 970892, 1418996, 1699061, 2483243, 3398122, 4611737, 4966486, 6796244, 9223474, 9932972, 18446948, 32282159, 64564318, 129128636]

約数ペア:

[(1, 129128636), (2, 64564318), (4, 32282159), (7, 18446948), (13, 9932972), (14, 9223474), (19, 6796244), (26, 4966486), (28, 4611737), (38, 3398122), (52, 2483243), (76, 1699061), (91, 1418996), (133, 970892), (182, 709498), (247, 522788), (266, 485446), (364, 354749), (494, 261394), (532, 242723), (988, 130697), (1729, 74684), (3458, 37342), (6916, 18671)]