128468728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{599}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 272160000

約数和(自身を除く): 143691272

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 83, 136, 152, 166, 323, 332, 599, 646, 664, 1198, 1292, 1411, 1577, 2396, 2584, 2822, 3154, 4792, 5644, 6308, 10183, 11288, 11381, 12616, 20366, 22762, 26809, 40732, 45524, 49717, 53618, 81464, 91048, 99434, 107236, 193477, 198868, 214472, 386954, 397736, 773908, 845189, 944623, 1547816, 1690378, 1889246, 3380756, 3778492, 6761512, 7556984, 16058591, 32117182, 64234364, 128468728]

約数ペア:

[(1, 128468728), (2, 64234364), (4, 32117182), (8, 16058591), (17, 7556984), (19, 6761512), (34, 3778492), (38, 3380756), (68, 1889246), (76, 1690378), (83, 1547816), (136, 944623), (152, 845189), (166, 773908), (323, 397736), (332, 386954), (599, 214472), (646, 198868), (664, 193477), (1198, 107236), (1292, 99434), (1411, 91048), (1577, 81464), (2396, 53618), (2584, 49717), (2822, 45524), (3154, 40732), (4792, 26809), (5644, 22762), (6308, 20366), (10183, 12616), (11288, 11381)]