681714738

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{1439}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 1570406400

約数和(自身を除く): 888691662

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 283, 558, 566, 837, 849, 1439, 1674, 1698, 2547, 2878, 4317, 5094, 7641, 8634, 8773, 12951, 15282, 17546, 25902, 26319, 38853, 44609, 52638, 77706, 78957, 89218, 133827, 157914, 236871, 267654, 401481, 407237, 473742, 802962, 814474, 1204443, 1221711, 2408886, 2443422, 3665133, 7330266, 10995399, 12624347, 21990798, 25248694, 37873041, 75746082, 113619123, 227238246, 340857369, 681714738]

約数ペア:

[(1, 681714738), (2, 340857369), (3, 227238246), (6, 113619123), (9, 75746082), (18, 37873041), (27, 25248694), (31, 21990798), (54, 12624347), (62, 10995399), (93, 7330266), (186, 3665133), (279, 2443422), (283, 2408886), (558, 1221711), (566, 1204443), (837, 814474), (849, 802962), (1439, 473742), (1674, 407237), (1698, 401481), (2547, 267654), (2878, 236871), (4317, 157914), (5094, 133827), (7641, 89218), (8634, 78957), (8773, 77706), (12951, 52638), (15282, 44609), (17546, 38853), (25902, 26319)]