31775144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 66960000

約数和(自身を除く): 35184856

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 61, 76, 92, 122, 149, 152, 184, 244, 298, 437, 488, 596, 874, 1159, 1192, 1403, 1748, 2318, 2806, 2831, 3427, 3496, 4636, 5612, 5662, 6854, 9089, 9272, 11224, 11324, 13708, 18178, 22648, 26657, 27416, 36356, 53314, 65113, 72712, 106628, 130226, 172691, 209047, 213256, 260452, 345382, 418094, 520904, 690764, 836188, 1381528, 1672376, 3971893, 7943786, 15887572, 31775144]

約数ペア:

[(1, 31775144), (2, 15887572), (4, 7943786), (8, 3971893), (19, 1672376), (23, 1381528), (38, 836188), (46, 690764), (61, 520904), (76, 418094), (92, 345382), (122, 260452), (149, 213256), (152, 209047), (184, 172691), (244, 130226), (298, 106628), (437, 72712), (488, 65113), (596, 53314), (874, 36356), (1159, 27416), (1192, 26657), (1403, 22648), (1748, 18178), (2318, 13708), (2806, 11324), (2831, 11224), (3427, 9272), (3496, 9089), (4636, 6854), (5612, 5662)]