31377892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 71736000

約数和(自身を除く): 40358108

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 169, 182, 247, 266, 338, 349, 364, 494, 532, 676, 698, 988, 1183, 1396, 1729, 2366, 2443, 3211, 3458, 4537, 4732, 4886, 6422, 6631, 6916, 9074, 9772, 12844, 13262, 18148, 22477, 26524, 31759, 44954, 46417, 58981, 63518, 86203, 89908, 92834, 117962, 127036, 172406, 185668, 235924, 344812, 412867, 603421, 825734, 1120639, 1206842, 1651468, 2241278, 2413684, 4482556, 7844473, 15688946, 31377892]

約数ペア:

[(1, 31377892), (2, 15688946), (4, 7844473), (7, 4482556), (13, 2413684), (14, 2241278), (19, 1651468), (26, 1206842), (28, 1120639), (38, 825734), (52, 603421), (76, 412867), (91, 344812), (133, 235924), (169, 185668), (182, 172406), (247, 127036), (266, 117962), (338, 92834), (349, 89908), (364, 86203), (494, 63518), (532, 58981), (676, 46417), (698, 44954), (988, 31759), (1183, 26524), (1396, 22477), (1729, 18148), (2366, 13262), (2443, 12844), (3211, 9772), (3458, 9074), (4537, 6916), (4732, 6631), (4886, 6422)]