251432168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 553349160

約数和(自身を除く): 301916992

約数列:

[1, 2, 4, 8, 13, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 181, 247, 296, 361, 362, 481, 494, 703, 722, 724, 962, 988, 1406, 1444, 1448, 1924, 1976, 2353, 2812, 2888, 3439, 3848, 4693, 4706, 5624, 6697, 6878, 9139, 9386, 9412, 13357, 13394, 13756, 18278, 18772, 18824, 26714, 26788, 27512, 36556, 37544, 44707, 53428, 53576, 65341, 73112, 87061, 89414, 106856, 127243, 130682, 173641, 174122, 178828, 254486, 261364, 347282, 348244, 357656, 508972, 522728, 694564, 696488, 849433, 1017944, 1389128, 1654159, 1698866, 2417617, 3308318, 3397732, 4835234, 6616636, 6795464, 9670468, 13233272, 19340936, 31429021, 62858042, 125716084, 251432168]

約数ペア:

[(1, 251432168), (2, 125716084), (4, 62858042), (8, 31429021), (13, 19340936), (19, 13233272), (26, 9670468), (37, 6795464), (38, 6616636), (52, 4835234), (74, 3397732), (76, 3308318), (104, 2417617), (148, 1698866), (152, 1654159), (181, 1389128), (247, 1017944), (296, 849433), (361, 696488), (362, 694564), (481, 522728), (494, 508972), (703, 357656), (722, 348244), (724, 347282), (962, 261364), (988, 254486), (1406, 178828), (1444, 174122), (1448, 173641), (1924, 130682), (1976, 127243), (2353, 106856), (2812, 89414), (2888, 87061), (3439, 73112), (3848, 65341), (4693, 53576), (4706, 53428), (5624, 44707), (6697, 37544), (6878, 36556), (9139, 27512), (9386, 26788), (9412, 26714), (13357, 18824), (13394, 18772), (13756, 18278)]