101913188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 208346040

約数和(自身を除く): 106432852

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 61, 76, 89, 122, 178, 244, 247, 356, 361, 494, 722, 793, 988, 1157, 1159, 1444, 1586, 1691, 2314, 2318, 3172, 3382, 4628, 4636, 4693, 5429, 6764, 9386, 10858, 15067, 18772, 21716, 21983, 22021, 30134, 32129, 43966, 44042, 60268, 64258, 70577, 87932, 88084, 103151, 128516, 141154, 206302, 282308, 286273, 412604, 417677, 572546, 835354, 1145092, 1340963, 1670708, 1959869, 2681926, 3919738, 5363852, 7839476, 25478297, 50956594, 101913188]

約数ペア:

[(1, 101913188), (2, 50956594), (4, 25478297), (13, 7839476), (19, 5363852), (26, 3919738), (38, 2681926), (52, 1959869), (61, 1670708), (76, 1340963), (89, 1145092), (122, 835354), (178, 572546), (244, 417677), (247, 412604), (356, 286273), (361, 282308), (494, 206302), (722, 141154), (793, 128516), (988, 103151), (1157, 88084), (1159, 87932), (1444, 70577), (1586, 64258), (1691, 60268), (2314, 44042), (2318, 43966), (3172, 32129), (3382, 30134), (4628, 22021), (4636, 21983), (4693, 21716), (5429, 18772), (6764, 15067), (9386, 10858)]