637633490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1321}}^1$

素因数の和:1467

約数の個数: 64

約数和(自身を含む): 1279272960

約数和(自身を除く): 641639470

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 79, 94, 130, 158, 235, 395, 470, 611, 790, 1027, 1222, 1321, 2054, 2642, 3055, 3713, 5135, 6110, 6605, 7426, 10270, 13210, 17173, 18565, 34346, 37130, 48269, 62087, 85865, 96538, 104359, 124174, 171730, 208718, 241345, 310435, 482690, 521795, 620870, 807131, 1043590, 1356667, 1614262, 2713334, 4035655, 4904873, 6783335, 8071310, 9809746, 13566670, 24524365, 49048730, 63763349, 127526698, 318816745, 637633490]

約数ペア:

[(1, 637633490), (2, 318816745), (5, 127526698), (10, 63763349), (13, 49048730), (26, 24524365), (47, 13566670), (65, 9809746), (79, 8071310), (94, 6783335), (130, 4904873), (158, 4035655), (235, 2713334), (395, 1614262), (470, 1356667), (611, 1043590), (790, 807131), (1027, 620870), (1222, 521795), (1321, 482690), (2054, 310435), (2642, 241345), (3055, 208718), (3713, 171730), (5135, 124174), (6110, 104359), (6605, 96538), (7426, 85865), (10270, 62087), (13210, 48269), (17173, 37130), (18565, 34346)]