812292728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1213}}^1$

素因数の和:1416

約数の個数: 64

約数和(自身を含む): 1688722560

約数和(自身を除く): 876429832

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 137, 188, 274, 376, 548, 611, 1096, 1213, 1222, 1781, 2426, 2444, 3562, 4852, 4888, 6439, 7124, 9704, 12878, 14248, 15769, 25756, 31538, 51512, 57011, 63076, 83707, 114022, 126152, 166181, 167414, 228044, 332362, 334828, 456088, 664724, 669656, 741143, 1329448, 1482286, 2160353, 2964572, 4320706, 5929144, 7810507, 8641412, 15621014, 17282824, 31242028, 62484056, 101536591, 203073182, 406146364, 812292728]

約数ペア:

[(1, 812292728), (2, 406146364), (4, 203073182), (8, 101536591), (13, 62484056), (26, 31242028), (47, 17282824), (52, 15621014), (94, 8641412), (104, 7810507), (137, 5929144), (188, 4320706), (274, 2964572), (376, 2160353), (548, 1482286), (611, 1329448), (1096, 741143), (1213, 669656), (1222, 664724), (1781, 456088), (2426, 334828), (2444, 332362), (3562, 228044), (4852, 167414), (4888, 166181), (6439, 126152), (7124, 114022), (9704, 83707), (12878, 63076), (14248, 57011), (15769, 51512), (25756, 31538)]