6580990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 13934592

約数和(自身を除く): 7353602

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 71, 115, 130, 142, 155, 230, 299, 310, 355, 403, 598, 710, 713, 806, 923, 1426, 1495, 1633, 1846, 2015, 2201, 2990, 3266, 3565, 4030, 4402, 4615, 7130, 8165, 9230, 9269, 11005, 16330, 18538, 21229, 22010, 28613, 42458, 46345, 50623, 57226, 92690, 101246, 106145, 143065, 212290, 253115, 286130, 506230, 658099, 1316198, 3290495, 6580990]

約数ペア:

[(1, 6580990), (2, 3290495), (5, 1316198), (10, 658099), (13, 506230), (23, 286130), (26, 253115), (31, 212290), (46, 143065), (62, 106145), (65, 101246), (71, 92690), (115, 57226), (130, 50623), (142, 46345), (155, 42458), (230, 28613), (299, 22010), (310, 21229), (355, 18538), (403, 16330), (598, 11005), (710, 9269), (713, 9230), (806, 8165), (923, 7130), (1426, 4615), (1495, 4402), (1633, 4030), (1846, 3565), (2015, 3266), (2201, 2990)]