209090011588

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{18691}}^1$

素因数の和:18921

約数の個数: 72

約数和(自身を含む): 395622011904

約数和(自身を除く): 186532000316

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 127, 244, 254, 361, 508, 722, 1159, 1444, 2318, 2413, 4636, 4826, 7747, 9652, 15494, 18691, 22021, 30988, 37382, 44042, 45847, 74764, 88084, 91694, 147193, 183388, 294386, 355129, 588772, 710258, 1140151, 1420516, 2280302, 2373757, 2796667, 4560604, 4747514, 5593334, 6747451, 9495028, 11186668, 13494902, 21662869, 26989804, 43325738, 45101383, 86651476, 90202766, 144799177, 180405532, 289598354, 411594511, 579196708, 823189022, 856926277, 1646378044, 1713852554, 2751184363, 3427705108, 5502368726, 11004737452, 52272502897, 104545005794, 209090011588]

約数ペア:

[(1, 209090011588), (2, 104545005794), (4, 52272502897), (19, 11004737452), (38, 5502368726), (61, 3427705108), (76, 2751184363), (122, 1713852554), (127, 1646378044), (244, 856926277), (254, 823189022), (361, 579196708), (508, 411594511), (722, 289598354), (1159, 180405532), (1444, 144799177), (2318, 90202766), (2413, 86651476), (4636, 45101383), (4826, 43325738), (7747, 26989804), (9652, 21662869), (15494, 13494902), (18691, 11186668), (22021, 9495028), (30988, 6747451), (37382, 5593334), (44042, 4747514), (45847, 4560604), (74764, 2796667), (88084, 2373757), (91694, 2280302), (147193, 1420516), (183388, 1140151), (294386, 710258), (355129, 588772)]