421888502

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 782369280

約数和(自身を除く): 360480778

約数列:

[1, 2, 7, 14, 19, 38, 83, 97, 133, 166, 194, 197, 266, 394, 581, 679, 1162, 1358, 1379, 1577, 1843, 2758, 3154, 3686, 3743, 7486, 8051, 11039, 12901, 16102, 16351, 19109, 22078, 25802, 26201, 32702, 38218, 52402, 56357, 112714, 114457, 133763, 152969, 228914, 267526, 305938, 310669, 363071, 621338, 726142, 1070783, 1586047, 2141566, 2174683, 2541497, 3172094, 4349366, 5082994, 11102329, 22204658, 30134893, 60269786, 210944251, 421888502]

約数ペア:

[(1, 421888502), (2, 210944251), (7, 60269786), (14, 30134893), (19, 22204658), (38, 11102329), (83, 5082994), (97, 4349366), (133, 3172094), (166, 2541497), (194, 2174683), (197, 2141566), (266, 1586047), (394, 1070783), (581, 726142), (679, 621338), (1162, 363071), (1358, 310669), (1379, 305938), (1577, 267526), (1843, 228914), (2758, 152969), (3154, 133763), (3686, 114457), (3743, 112714), (7486, 56357), (8051, 52402), (11039, 38218), (12901, 32702), (16102, 26201), (16351, 25802), (19109, 22078)]