31017272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 71971200

約数和(自身を除く): 40953928

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 836, 988, 1144, 1427, 1672, 1976, 2717, 2854, 5434, 5708, 10868, 11416, 15697, 18551, 21736, 27113, 31394, 37102, 54226, 62788, 74204, 108452, 125576, 148408, 204061, 216904, 298243, 352469, 408122, 596486, 704938, 816244, 1192972, 1409876, 1632488, 2385944, 2819752, 3877159, 7754318, 15508636, 31017272]

約数ペア:

[(1, 31017272), (2, 15508636), (4, 7754318), (8, 3877159), (11, 2819752), (13, 2385944), (19, 1632488), (22, 1409876), (26, 1192972), (38, 816244), (44, 704938), (52, 596486), (76, 408122), (88, 352469), (104, 298243), (143, 216904), (152, 204061), (209, 148408), (247, 125576), (286, 108452), (418, 74204), (494, 62788), (572, 54226), (836, 37102), (988, 31394), (1144, 27113), (1427, 21736), (1672, 18551), (1976, 15697), (2717, 11416), (2854, 10868), (5434, 5708)]