25816744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 29220056

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 97, 103, 136, 152, 194, 206, 323, 388, 412, 646, 776, 824, 1292, 1649, 1751, 1843, 1957, 2584, 3298, 3502, 3686, 3914, 6596, 7004, 7372, 7828, 9991, 13192, 14008, 14744, 15656, 19982, 31331, 33269, 39964, 62662, 66538, 79928, 125324, 133076, 169847, 189829, 250648, 266152, 339694, 379658, 679388, 759316, 1358776, 1518632, 3227093, 6454186, 12908372, 25816744]

約数ペア:

[(1, 25816744), (2, 12908372), (4, 6454186), (8, 3227093), (17, 1518632), (19, 1358776), (34, 759316), (38, 679388), (68, 379658), (76, 339694), (97, 266152), (103, 250648), (136, 189829), (152, 169847), (194, 133076), (206, 125324), (323, 79928), (388, 66538), (412, 62662), (646, 39964), (776, 33269), (824, 31331), (1292, 19982), (1649, 15656), (1751, 14744), (1843, 14008), (1957, 13192), (2584, 9991), (3298, 7828), (3502, 7372), (3686, 7004), (3914, 6596)]