31382142

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 71705088

約数和(自身を除く): 40322946

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 71, 74, 111, 142, 181, 213, 222, 362, 407, 426, 543, 781, 814, 1086, 1221, 1562, 1991, 2343, 2442, 2627, 3982, 4686, 5254, 5973, 6697, 7881, 11946, 12851, 13394, 15762, 20091, 25702, 28897, 38553, 40182, 57794, 73667, 77106, 86691, 141361, 147334, 173382, 221001, 282722, 424083, 442002, 475487, 848166, 950974, 1426461, 2852922, 5230357, 10460714, 15691071, 31382142]

約数ペア:

[(1, 31382142), (2, 15691071), (3, 10460714), (6, 5230357), (11, 2852922), (22, 1426461), (33, 950974), (37, 848166), (66, 475487), (71, 442002), (74, 424083), (111, 282722), (142, 221001), (181, 173382), (213, 147334), (222, 141361), (362, 86691), (407, 77106), (426, 73667), (543, 57794), (781, 40182), (814, 38553), (1086, 28897), (1221, 25702), (1562, 20091), (1991, 15762), (2343, 13394), (2442, 12851), (2627, 11946), (3982, 7881), (4686, 6697), (5254, 5973)]