728216762

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{839}}^1$

素因数の和:1131

約数の個数: 64

約数和(自身を含む): 1422489600

約数和(自身を除く): 694272838

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 251, 266, 494, 502, 839, 1678, 1729, 1757, 3263, 3458, 3514, 4769, 5873, 6526, 9538, 10907, 11746, 15941, 21814, 22841, 31882, 33383, 45682, 61997, 66766, 76349, 111587, 123994, 152698, 207233, 210589, 223174, 414466, 421178, 433979, 867958, 1450631, 1474123, 2737657, 2901262, 2948246, 4001191, 5475314, 8002382, 19163599, 28008337, 38327198, 52015483, 56016674, 104030966, 364108381, 728216762]

約数ペア:

[(1, 728216762), (2, 364108381), (7, 104030966), (13, 56016674), (14, 52015483), (19, 38327198), (26, 28008337), (38, 19163599), (91, 8002382), (133, 5475314), (182, 4001191), (247, 2948246), (251, 2901262), (266, 2737657), (494, 1474123), (502, 1450631), (839, 867958), (1678, 433979), (1729, 421178), (1757, 414466), (3263, 223174), (3458, 210589), (3514, 207233), (4769, 152698), (5873, 123994), (6526, 111587), (9538, 76349), (10907, 66766), (11746, 61997), (15941, 45682), (21814, 33383), (22841, 31882)]