988361283

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1231}}^1$

素因数の和:1444

約数の個数: 64

約数和(自身を含む): 1728663552

約数和(自身を除く): 740302269

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 173, 221, 273, 357, 519, 663, 1211, 1231, 1547, 2249, 2941, 3633, 3693, 4641, 6747, 8617, 8823, 15743, 16003, 20587, 20927, 25851, 38233, 47229, 48009, 61761, 62781, 112021, 114699, 146489, 212963, 267631, 272051, 336063, 439467, 638889, 802893, 816153, 1490741, 1904357, 2768519, 3620371, 4472223, 5713071, 8305557, 10861113, 19379633, 25342597, 47064823, 58138899, 76027791, 141194469, 329453761, 988361283]

約数ペア:

[(1, 988361283), (3, 329453761), (7, 141194469), (13, 76027791), (17, 58138899), (21, 47064823), (39, 25342597), (51, 19379633), (91, 10861113), (119, 8305557), (173, 5713071), (221, 4472223), (273, 3620371), (357, 2768519), (519, 1904357), (663, 1490741), (1211, 816153), (1231, 802893), (1547, 638889), (2249, 439467), (2941, 336063), (3633, 272051), (3693, 267631), (4641, 212963), (6747, 146489), (8617, 114699), (8823, 112021), (15743, 62781), (16003, 61761), (20587, 48009), (20927, 47229), (25851, 38233)]