69981275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 112492800

約数和(自身を除く): 42511525

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 175, 247, 325, 455, 475, 665, 1235, 1619, 1729, 2275, 3325, 6175, 8095, 8645, 11333, 21047, 30761, 40475, 43225, 56665, 105235, 147329, 153805, 215327, 283325, 399893, 526175, 736645, 769025, 1076635, 1999465, 2799251, 3683225, 5383175, 9997325, 13996255, 69981275]

約数ペア:

[(1, 69981275), (5, 13996255), (7, 9997325), (13, 5383175), (19, 3683225), (25, 2799251), (35, 1999465), (65, 1076635), (91, 769025), (95, 736645), (133, 526175), (175, 399893), (247, 283325), (325, 215327), (455, 153805), (475, 147329), (665, 105235), (1235, 56665), (1619, 43225), (1729, 40475), (2275, 30761), (3325, 21047), (6175, 11333), (8095, 8645)]