221532012

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{829}}^1$

素因数の和:1423

約数の個数: 72

約数和(自身を含む): 604844240

約数和(自身を除く): 383312228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 571, 829, 1142, 1658, 1713, 2284, 2487, 3316, 3426, 4974, 5139, 6852, 7423, 7461, 9948, 10278, 10777, 14846, 14922, 20556, 21554, 22269, 29692, 29844, 32331, 43108, 44538, 64662, 66807, 89076, 96993, 129324, 133614, 193986, 267228, 387972, 473359, 946718, 1420077, 1893436, 2840154, 4260231, 5680308, 6153667, 8520462, 12307334, 17040924, 18461001, 24614668, 36922002, 55383003, 73844004, 110766006, 221532012]

約数ペア:

[(1, 221532012), (2, 110766006), (3, 73844004), (4, 55383003), (6, 36922002), (9, 24614668), (12, 18461001), (13, 17040924), (18, 12307334), (26, 8520462), (36, 6153667), (39, 5680308), (52, 4260231), (78, 2840154), (117, 1893436), (156, 1420077), (234, 946718), (468, 473359), (571, 387972), (829, 267228), (1142, 193986), (1658, 133614), (1713, 129324), (2284, 96993), (2487, 89076), (3316, 66807), (3426, 64662), (4974, 44538), (5139, 43108), (6852, 32331), (7423, 29844), (7461, 29692), (9948, 22269), (10278, 21554), (10777, 20556), (14846, 14922)]