78412772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 154405440

約数和(自身を除く): 75992668

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 137, 274, 323, 443, 548, 646, 886, 1292, 1772, 2329, 2603, 4658, 5206, 7531, 8417, 9316, 10412, 15062, 16834, 30124, 33668, 44251, 60691, 88502, 121382, 143089, 177004, 242764, 286178, 572356, 1031747, 1153129, 2063494, 2306258, 4126988, 4612516, 19603193, 39206386, 78412772]

約数ペア:

[(1, 78412772), (2, 39206386), (4, 19603193), (17, 4612516), (19, 4126988), (34, 2306258), (38, 2063494), (68, 1153129), (76, 1031747), (137, 572356), (274, 286178), (323, 242764), (443, 177004), (548, 143089), (646, 121382), (886, 88502), (1292, 60691), (1772, 44251), (2329, 33668), (2603, 30124), (4658, 16834), (5206, 15062), (7531, 10412), (8417, 9316)]