331291792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 719953920

約数和(自身を除く): 388662128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 191, 208, 248, 269, 382, 403, 496, 538, 764, 806, 1076, 1528, 1612, 2152, 2483, 3056, 3224, 3497, 4304, 4966, 5921, 6448, 6994, 8339, 9932, 11842, 13988, 16678, 19864, 23684, 27976, 33356, 39728, 47368, 51379, 55952, 66712, 76973, 94736, 102758, 108407, 133424, 153946, 205516, 216814, 307892, 411032, 433628, 615784, 667927, 822064, 867256, 1231568, 1335854, 1592749, 1734512, 2671708, 3185498, 5343416, 6370996, 10686832, 12741992, 20705737, 25483984, 41411474, 82822948, 165645896, 331291792]

約数ペア:

[(1, 331291792), (2, 165645896), (4, 82822948), (8, 41411474), (13, 25483984), (16, 20705737), (26, 12741992), (31, 10686832), (52, 6370996), (62, 5343416), (104, 3185498), (124, 2671708), (191, 1734512), (208, 1592749), (248, 1335854), (269, 1231568), (382, 867256), (403, 822064), (496, 667927), (538, 615784), (764, 433628), (806, 411032), (1076, 307892), (1528, 216814), (1612, 205516), (2152, 153946), (2483, 133424), (3056, 108407), (3224, 102758), (3497, 94736), (4304, 76973), (4966, 66712), (5921, 55952), (6448, 51379), (6994, 47368), (8339, 39728), (9932, 33356), (11842, 27976), (13988, 23684), (16678, 19864)]