28416248

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1620

約数の個数: 64

約数和(自身を含む): 67910400

約数和(自身を除く): 39494152

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1292, 1571, 2261, 2584, 3142, 4522, 6284, 9044, 10997, 12568, 18088, 21994, 26707, 29849, 43988, 53414, 59698, 87976, 106828, 119396, 186949, 208943, 213656, 238792, 373898, 417886, 507433, 747796, 835772, 1014866, 1495592, 1671544, 2029732, 3552031, 4059464, 7104062, 14208124, 28416248]

約数ペア:

[(1, 28416248), (2, 14208124), (4, 7104062), (7, 4059464), (8, 3552031), (14, 2029732), (17, 1671544), (19, 1495592), (28, 1014866), (34, 835772), (38, 747796), (56, 507433), (68, 417886), (76, 373898), (119, 238792), (133, 213656), (136, 208943), (152, 186949), (238, 119396), (266, 106828), (323, 87976), (476, 59698), (532, 53414), (646, 43988), (952, 29849), (1064, 26707), (1292, 21994), (1571, 18088), (2261, 12568), (2584, 10997), (3142, 9044), (4522, 6284)]