1337222510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{853}}^1$

素因数の和:1293

約数の個数: 64

約数和(自身を含む): 2685795840

約数和(自身を除く): 1348573330

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 389, 403, 778, 806, 853, 1706, 1945, 2015, 3890, 4030, 4265, 5057, 8530, 10114, 11089, 12059, 22178, 24118, 25285, 26443, 50570, 52886, 55445, 60295, 110890, 120590, 132215, 156767, 264430, 313534, 331817, 343759, 663634, 687518, 783835, 1567670, 1659085, 1718795, 3318170, 3437590, 4313621, 8627242, 10286327, 20572654, 21568105, 43136210, 51431635, 102863270, 133722251, 267444502, 668611255, 1337222510]

約数ペア:

[(1, 1337222510), (2, 668611255), (5, 267444502), (10, 133722251), (13, 102863270), (26, 51431635), (31, 43136210), (62, 21568105), (65, 20572654), (130, 10286327), (155, 8627242), (310, 4313621), (389, 3437590), (403, 3318170), (778, 1718795), (806, 1659085), (853, 1567670), (1706, 783835), (1945, 687518), (2015, 663634), (3890, 343759), (4030, 331817), (4265, 313534), (5057, 264430), (8530, 156767), (10114, 132215), (11089, 120590), (12059, 110890), (22178, 60295), (24118, 55445), (25285, 52886), (26443, 50570)]