275278388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2685

約数の個数: 72

約数和(自身を含む): 624916992

約数和(自身を除く): 349638604

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 121, 124, 154, 217, 242, 308, 341, 434, 484, 682, 847, 868, 1364, 1694, 2387, 2621, 3388, 3751, 4774, 5242, 7502, 9548, 10484, 15004, 18347, 26257, 28831, 36694, 52514, 57662, 73388, 81251, 105028, 115324, 162502, 201817, 317141, 325004, 403634, 568757, 634282, 807268, 893761, 1137514, 1268564, 1787522, 2219987, 2275028, 3575044, 4439974, 6256327, 8879948, 9831371, 12512654, 19662742, 25025308, 39325484, 68819597, 137639194, 275278388]

約数ペア:

[(1, 275278388), (2, 137639194), (4, 68819597), (7, 39325484), (11, 25025308), (14, 19662742), (22, 12512654), (28, 9831371), (31, 8879948), (44, 6256327), (62, 4439974), (77, 3575044), (121, 2275028), (124, 2219987), (154, 1787522), (217, 1268564), (242, 1137514), (308, 893761), (341, 807268), (434, 634282), (484, 568757), (682, 403634), (847, 325004), (868, 317141), (1364, 201817), (1694, 162502), (2387, 115324), (2621, 105028), (3388, 81251), (3751, 73388), (4774, 57662), (5242, 52514), (7502, 36694), (9548, 28831), (10484, 26257), (15004, 18347)]