66661804

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 135273600

約数和(自身を除く): 68611796

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 659, 836, 1318, 1331, 2299, 2636, 2662, 4598, 5324, 7249, 9196, 12521, 14498, 25042, 25289, 28996, 50084, 50578, 79739, 101156, 137731, 159478, 275462, 318956, 550924, 877129, 1515041, 1754258, 3030082, 3508516, 6060164, 16665451, 33330902, 66661804]

約数ペア:

[(1, 66661804), (2, 33330902), (4, 16665451), (11, 6060164), (19, 3508516), (22, 3030082), (38, 1754258), (44, 1515041), (76, 877129), (121, 550924), (209, 318956), (242, 275462), (418, 159478), (484, 137731), (659, 101156), (836, 79739), (1318, 50578), (1331, 50084), (2299, 28996), (2636, 25289), (2662, 25042), (4598, 14498), (5324, 12521), (7249, 9196)]