28135408924

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1\times {\mathrm{643}}^1$

素因数の和:1259

約数の個数: 96

約数和(自身を含む): 59747950080

約数和(自身を除く): 31612541156

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 233, 266, 353, 466, 532, 643, 706, 932, 1286, 1412, 1631, 2471, 2572, 3262, 4427, 4501, 4942, 6524, 6707, 8854, 9002, 9884, 12217, 13414, 17708, 18004, 24434, 26828, 30989, 46949, 48868, 61978, 82249, 85519, 93898, 123956, 149819, 164498, 171038, 187796, 226979, 299638, 328996, 342076, 453958, 575743, 599276, 907916, 1048733, 1151486, 1562731, 1588853, 2097466, 2302972, 2846561, 3125462, 3177706, 4194932, 4312601, 5693122, 6250924, 6355412, 8625202, 10939117, 11386244, 17250404, 19925927, 21878234, 30188207, 39851854, 43756468, 52886107, 60376414, 79703708, 105772214, 120752828, 211544428, 370202749, 740405498, 1004836033, 1480810996, 2009672066, 4019344132, 7033852231, 14067704462, 28135408924]

約数ペア:

[(1, 28135408924), (2, 14067704462), (4, 7033852231), (7, 4019344132), (14, 2009672066), (19, 1480810996), (28, 1004836033), (38, 740405498), (76, 370202749), (133, 211544428), (233, 120752828), (266, 105772214), (353, 79703708), (466, 60376414), (532, 52886107), (643, 43756468), (706, 39851854), (932, 30188207), (1286, 21878234), (1412, 19925927), (1631, 17250404), (2471, 11386244), (2572, 10939117), (3262, 8625202), (4427, 6355412), (4501, 6250924), (4942, 5693122), (6524, 4312601), (6707, 4194932), (8854, 3177706), (9002, 3125462), (9884, 2846561), (12217, 2302972), (13414, 2097466), (17708, 1588853), (18004, 1562731), (24434, 1151486), (26828, 1048733), (30989, 907916), (46949, 599276), (48868, 575743), (61978, 453958), (82249, 342076), (85519, 328996), (93898, 299638), (123956, 226979), (149819, 187796), (164498, 171038)]