49965890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1043

約数の個数: 64

約数和(自身を含む): 107122176

約数和(自身を除く): 57156286

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 391, 442, 598, 782, 983, 1105, 1495, 1955, 1966, 2210, 2990, 3910, 4915, 5083, 9830, 10166, 12779, 16711, 22609, 25415, 25558, 33422, 45218, 50830, 63895, 83555, 113045, 127790, 167110, 217243, 226090, 293917, 384353, 434486, 587834, 768706, 1086215, 1469585, 1921765, 2172430, 2939170, 3843530, 4996589, 9993178, 24982945, 49965890]

約数ペア:

[(1, 49965890), (2, 24982945), (5, 9993178), (10, 4996589), (13, 3843530), (17, 2939170), (23, 2172430), (26, 1921765), (34, 1469585), (46, 1086215), (65, 768706), (85, 587834), (115, 434486), (130, 384353), (170, 293917), (221, 226090), (230, 217243), (299, 167110), (391, 127790), (442, 113045), (598, 83555), (782, 63895), (983, 50830), (1105, 45218), (1495, 33422), (1955, 25558), (1966, 25415), (2210, 22609), (2990, 16711), (3910, 12779), (4915, 10166), (5083, 9830)]