216503690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1733}}^1$

素因数の和:1815

約数の個数: 48

約数和(自身を含む): 433909224

約数和(自身を除く): 217405534

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1733, 1922, 2015, 3466, 4030, 4805, 8665, 9610, 12493, 17330, 22529, 24986, 45058, 53723, 62465, 107446, 112645, 124930, 225290, 268615, 537230, 698399, 1396798, 1665413, 3330826, 3491995, 6983990, 8327065, 16654130, 21650369, 43300738, 108251845, 216503690]

約数ペア:

[(1, 216503690), (2, 108251845), (5, 43300738), (10, 21650369), (13, 16654130), (26, 8327065), (31, 6983990), (62, 3491995), (65, 3330826), (130, 1665413), (155, 1396798), (310, 698399), (403, 537230), (806, 268615), (961, 225290), (1733, 124930), (1922, 112645), (2015, 107446), (3466, 62465), (4030, 53723), (4805, 45058), (8665, 24986), (9610, 22529), (12493, 17330)]