39439972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 86026752

約数和(自身を除く): 46586780

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 191, 209, 247, 286, 361, 382, 418, 494, 572, 722, 764, 836, 988, 1444, 2101, 2483, 2717, 3629, 3971, 4202, 4693, 4966, 5434, 7258, 7942, 8404, 9386, 9932, 10868, 14516, 15884, 18772, 27313, 39919, 47177, 51623, 54626, 68951, 79838, 94354, 103246, 109252, 137902, 159676, 188708, 206492, 275804, 518947, 758461, 896363, 1037894, 1516922, 1792726, 2075788, 3033844, 3585452, 9859993, 19719986, 39439972]

約数ペア:

[(1, 39439972), (2, 19719986), (4, 9859993), (11, 3585452), (13, 3033844), (19, 2075788), (22, 1792726), (26, 1516922), (38, 1037894), (44, 896363), (52, 758461), (76, 518947), (143, 275804), (191, 206492), (209, 188708), (247, 159676), (286, 137902), (361, 109252), (382, 103246), (418, 94354), (494, 79838), (572, 68951), (722, 54626), (764, 51623), (836, 47177), (988, 39919), (1444, 27313), (2101, 18772), (2483, 15884), (2717, 14516), (3629, 10868), (3971, 9932), (4202, 9386), (4693, 8404), (4966, 7942), (5434, 7258)]