721690476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1289}}^1$

素因数の和:1443

約数の個数: 96

約数和(自身を含む): 1883152320

約数和(自身を除く): 1161461844

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 97, 111, 148, 156, 194, 222, 291, 388, 444, 481, 582, 962, 1164, 1261, 1289, 1443, 1924, 2522, 2578, 2886, 3589, 3783, 3867, 5044, 5156, 5772, 7178, 7566, 7734, 10767, 14356, 15132, 15468, 16757, 21534, 33514, 43068, 46657, 47693, 50271, 67028, 93314, 95386, 100542, 125033, 139971, 143079, 186628, 190772, 201084, 250066, 279942, 286158, 375099, 500132, 559884, 572316, 620009, 750198, 1240018, 1500396, 1625429, 1860027, 2480036, 3250858, 3720054, 4626221, 4876287, 6501716, 7440108, 9252442, 9752574, 13878663, 18504884, 19505148, 27757326, 55514652, 60140873, 120281746, 180422619, 240563492, 360845238, 721690476]

約数ペア:

[(1, 721690476), (2, 360845238), (3, 240563492), (4, 180422619), (6, 120281746), (12, 60140873), (13, 55514652), (26, 27757326), (37, 19505148), (39, 18504884), (52, 13878663), (74, 9752574), (78, 9252442), (97, 7440108), (111, 6501716), (148, 4876287), (156, 4626221), (194, 3720054), (222, 3250858), (291, 2480036), (388, 1860027), (444, 1625429), (481, 1500396), (582, 1240018), (962, 750198), (1164, 620009), (1261, 572316), (1289, 559884), (1443, 500132), (1924, 375099), (2522, 286158), (2578, 279942), (2886, 250066), (3589, 201084), (3783, 190772), (3867, 186628), (5044, 143079), (5156, 139971), (5772, 125033), (7178, 100542), (7566, 95386), (7734, 93314), (10767, 67028), (14356, 50271), (15132, 47693), (15468, 46657), (16757, 43068), (21534, 33514)]