13572988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 28435680

約数和(自身を除く): 14862692

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 61, 122, 143, 244, 286, 389, 572, 671, 778, 793, 1342, 1556, 1586, 2684, 3172, 4279, 5057, 8558, 8723, 10114, 17116, 17446, 20228, 23729, 34892, 47458, 55627, 94916, 111254, 222508, 261019, 308477, 522038, 616954, 1044076, 1233908, 3393247, 6786494, 13572988]

約数ペア:

[(1, 13572988), (2, 6786494), (4, 3393247), (11, 1233908), (13, 1044076), (22, 616954), (26, 522038), (44, 308477), (52, 261019), (61, 222508), (122, 111254), (143, 94916), (244, 55627), (286, 47458), (389, 34892), (572, 23729), (671, 20228), (778, 17446), (793, 17116), (1342, 10114), (1556, 8723), (1586, 8558), (2684, 5057), (3172, 4279)]