223153385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 352235520

約数和(自身を除く): 129082135

約数列:

[1, 5, 7, 13, 19, 35, 65, 83, 91, 95, 133, 247, 311, 415, 455, 581, 665, 1079, 1235, 1555, 1577, 1729, 2177, 2905, 4043, 5395, 5909, 7553, 7885, 8645, 10885, 11039, 20215, 20501, 25813, 28301, 29545, 37765, 41363, 55195, 76817, 102505, 129065, 141505, 143507, 180691, 206815, 335569, 384085, 490447, 537719, 717535, 903455, 1677845, 2348983, 2452235, 2688595, 3433129, 6375811, 11744915, 17165645, 31879055, 44630677, 223153385]

約数ペア:

[(1, 223153385), (5, 44630677), (7, 31879055), (13, 17165645), (19, 11744915), (35, 6375811), (65, 3433129), (83, 2688595), (91, 2452235), (95, 2348983), (133, 1677845), (247, 903455), (311, 717535), (415, 537719), (455, 490447), (581, 384085), (665, 335569), (1079, 206815), (1235, 180691), (1555, 143507), (1577, 141505), (1729, 129065), (2177, 102505), (2905, 76817), (4043, 55195), (5395, 41363), (5909, 37765), (7553, 29545), (7885, 28301), (8645, 25813), (10885, 20501), (11039, 20215)]