71287528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 155146320

約数和(自身を除く): 83858792

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 61, 68, 104, 122, 136, 221, 244, 442, 488, 661, 793, 884, 1037, 1322, 1586, 1768, 2074, 2644, 3172, 4148, 5288, 6344, 8296, 8593, 11237, 13481, 17186, 22474, 26962, 34372, 40321, 44948, 53924, 68744, 80642, 89896, 107848, 146081, 161284, 292162, 322568, 524173, 584324, 685457, 1048346, 1168648, 1370914, 2096692, 2741828, 4193384, 5483656, 8910941, 17821882, 35643764, 71287528]

約数ペア:

[(1, 71287528), (2, 35643764), (4, 17821882), (8, 8910941), (13, 5483656), (17, 4193384), (26, 2741828), (34, 2096692), (52, 1370914), (61, 1168648), (68, 1048346), (104, 685457), (122, 584324), (136, 524173), (221, 322568), (244, 292162), (442, 161284), (488, 146081), (661, 107848), (793, 89896), (884, 80642), (1037, 68744), (1322, 53924), (1586, 44948), (1768, 40321), (2074, 34372), (2644, 26962), (3172, 22474), (4148, 17186), (5288, 13481), (6344, 11237), (8296, 8593)]