28020663036

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{39791}}^1$

素因数の和:40463

約数の個数: 72

約数和(自身を含む): 73232560128

約数和(自身を除く): 45211897092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 631, 1116, 1262, 1893, 2524, 3786, 5679, 7572, 11358, 19561, 22716, 39122, 39791, 58683, 78244, 79582, 117366, 119373, 159164, 176049, 234732, 238746, 352098, 358119, 477492, 704196, 716238, 1233521, 1432476, 2467042, 3700563, 4934084, 7401126, 11101689, 14802252, 22203378, 25108121, 44406756, 50216242, 75324363, 100432484, 150648726, 225973089, 301297452, 451946178, 778351751, 903892356, 1556703502, 2335055253, 3113407004, 4670110506, 7005165759, 9340221012, 14010331518, 28020663036]

約数ペア:

[(1, 28020663036), (2, 14010331518), (3, 9340221012), (4, 7005165759), (6, 4670110506), (9, 3113407004), (12, 2335055253), (18, 1556703502), (31, 903892356), (36, 778351751), (62, 451946178), (93, 301297452), (124, 225973089), (186, 150648726), (279, 100432484), (372, 75324363), (558, 50216242), (631, 44406756), (1116, 25108121), (1262, 22203378), (1893, 14802252), (2524, 11101689), (3786, 7401126), (5679, 4934084), (7572, 3700563), (11358, 2467042), (19561, 1432476), (22716, 1233521), (39122, 716238), (39791, 704196), (58683, 477492), (78244, 358119), (79582, 352098), (117366, 238746), (119373, 234732), (159164, 176049)]