191571198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20639}}^1$

素因数の和:20681

約数の個数: 64

約数和(自身を含む): 499322880

約数和(自身を除く): 307751682

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 3094, 4641, 9282, 20639, 41278, 61917, 123834, 144473, 268307, 288946, 350863, 433419, 536614, 701726, 804921, 866838, 1052589, 1609842, 1878149, 2105178, 2456041, 3756298, 4561219, 4912082, 5634447, 7368123, 9122438, 11268894, 13683657, 14736246, 27367314, 31928533, 63857066, 95785599, 191571198]

約数ペア:

[(1, 191571198), (2, 95785599), (3, 63857066), (6, 31928533), (7, 27367314), (13, 14736246), (14, 13683657), (17, 11268894), (21, 9122438), (26, 7368123), (34, 5634447), (39, 4912082), (42, 4561219), (51, 3756298), (78, 2456041), (91, 2105178), (102, 1878149), (119, 1609842), (182, 1052589), (221, 866838), (238, 804921), (273, 701726), (357, 536614), (442, 433419), (546, 350863), (663, 288946), (714, 268307), (1326, 144473), (1547, 123834), (3094, 61917), (4641, 41278), (9282, 20639)]