389730391492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2083}}^1\times {\mathrm{9967}}^1$

素因数の和:12105

約数の個数: 72

約数和(自身を含む): 775633923456

約数和(自身を除く): 385903531964

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 722, 988, 1444, 2083, 4166, 4693, 8332, 9386, 9967, 18772, 19934, 27079, 39577, 39868, 54158, 79154, 108316, 129571, 158308, 189373, 259142, 378746, 514501, 518284, 751963, 757492, 1029002, 1503926, 2058004, 2461849, 3007852, 3598087, 4923698, 7196174, 9775519, 9847396, 14392348, 19551038, 20761261, 39102076, 41522522, 46775131, 83045044, 93550262, 187100524, 269896393, 394463959, 539792786, 788927918, 1079585572, 1577855836, 5128031467, 7494815221, 10256062934, 14989630442, 20512125868, 29979260884, 97432597873, 194865195746, 389730391492]

約数ペア:

[(1, 389730391492), (2, 194865195746), (4, 97432597873), (13, 29979260884), (19, 20512125868), (26, 14989630442), (38, 10256062934), (52, 7494815221), (76, 5128031467), (247, 1577855836), (361, 1079585572), (494, 788927918), (722, 539792786), (988, 394463959), (1444, 269896393), (2083, 187100524), (4166, 93550262), (4693, 83045044), (8332, 46775131), (9386, 41522522), (9967, 39102076), (18772, 20761261), (19934, 19551038), (27079, 14392348), (39577, 9847396), (39868, 9775519), (54158, 7196174), (79154, 4923698), (108316, 3598087), (129571, 3007852), (158308, 2461849), (189373, 2058004), (259142, 1503926), (378746, 1029002), (514501, 757492), (518284, 751963)]