256861836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4877}}^1$

素因数の和:4924

約数の個数: 144

約数和(自身を含む): 852284160

約数和(自身を除く): 595422324

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 396, 399, 418, 462, 532, 627, 684, 693, 798, 836, 924, 1197, 1254, 1386, 1463, 1596, 1881, 2394, 2508, 2772, 2926, 3762, 4389, 4788, 4877, 5852, 7524, 8778, 9754, 13167, 14631, 17556, 19508, 26334, 29262, 34139, 43893, 52668, 53647, 58524, 68278, 87786, 92663, 102417, 107294, 136556, 160941, 175572, 185326, 204834, 214588, 277989, 307251, 321882, 370652, 375529, 409668, 482823, 555978, 614502, 643764, 648641, 751058, 833967, 965646, 1019293, 1111956, 1126587, 1229004, 1297282, 1502116, 1667934, 1931292, 1945923, 2038586, 2253174, 2594564, 3057879, 3335868, 3379761, 3891846, 4077172, 4506348, 5837769, 6115758, 6759522, 7135051, 7783692, 9173637, 11675538, 12231516, 13519044, 14270102, 18347274, 21405153, 23351076, 28540204, 36694548, 42810306, 64215459, 85620612, 128430918, 256861836]

約数ペア:

[(1, 256861836), (2, 128430918), (3, 85620612), (4, 64215459), (6, 42810306), (7, 36694548), (9, 28540204), (11, 23351076), (12, 21405153), (14, 18347274), (18, 14270102), (19, 13519044), (21, 12231516), (22, 11675538), (28, 9173637), (33, 7783692), (36, 7135051), (38, 6759522), (42, 6115758), (44, 5837769), (57, 4506348), (63, 4077172), (66, 3891846), (76, 3379761), (77, 3335868), (84, 3057879), (99, 2594564), (114, 2253174), (126, 2038586), (132, 1945923), (133, 1931292), (154, 1667934), (171, 1502116), (198, 1297282), (209, 1229004), (228, 1126587), (231, 1111956), (252, 1019293), (266, 965646), (308, 833967), (342, 751058), (396, 648641), (399, 643764), (418, 614502), (462, 555978), (532, 482823), (627, 409668), (684, 375529), (693, 370652), (798, 321882), (836, 307251), (924, 277989), (1197, 214588), (1254, 204834), (1386, 185326), (1463, 175572), (1596, 160941), (1881, 136556), (2394, 107294), (2508, 102417), (2772, 92663), (2926, 87786), (3762, 68278), (4389, 58524), (4788, 53647), (4877, 52668), (5852, 43893), (7524, 34139), (8778, 29262), (9754, 26334), (13167, 19508), (14631, 17556)]