31572736

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 69536880

約数和(自身を除く): 37964144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 128, 179, 208, 212, 256, 358, 416, 424, 689, 716, 832, 848, 1378, 1432, 1664, 1696, 2327, 2756, 2864, 3328, 3392, 4654, 5512, 5728, 6784, 9308, 9487, 11024, 11456, 13568, 18616, 18974, 22048, 22912, 37232, 37948, 44096, 45824, 74464, 75896, 88192, 123331, 148928, 151792, 176384, 246662, 297856, 303584, 493324, 595712, 607168, 986648, 1214336, 1973296, 2428672, 3946592, 7893184, 15786368, 31572736]

約数ペア:

[(1, 31572736), (2, 15786368), (4, 7893184), (8, 3946592), (13, 2428672), (16, 1973296), (26, 1214336), (32, 986648), (52, 607168), (53, 595712), (64, 493324), (104, 303584), (106, 297856), (128, 246662), (179, 176384), (208, 151792), (212, 148928), (256, 123331), (358, 88192), (416, 75896), (424, 74464), (689, 45824), (716, 44096), (832, 37948), (848, 37232), (1378, 22912), (1432, 22048), (1664, 18974), (1696, 18616), (2327, 13568), (2756, 11456), (2864, 11024), (3328, 9487), (3392, 9308), (4654, 6784), (5512, 5728)]