278839704

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:865

約数の個数: 128

約数和(自身を含む): 827366400

約数和(自身を除く): 548526696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 113, 132, 143, 156, 226, 264, 286, 312, 339, 429, 452, 572, 678, 719, 858, 904, 1144, 1243, 1356, 1438, 1469, 1716, 2157, 2486, 2712, 2876, 2938, 3432, 3729, 4314, 4407, 4972, 5752, 5876, 7458, 7909, 8628, 8814, 9347, 9944, 11752, 14916, 15818, 16159, 17256, 17628, 18694, 23727, 28041, 29832, 31636, 32318, 35256, 37388, 47454, 48477, 56082, 63272, 64636, 74776, 81247, 94908, 96954, 102817, 112164, 129272, 162494, 189816, 193908, 205634, 224328, 243741, 308451, 324988, 387816, 411268, 487482, 616902, 649976, 822536, 893717, 974964, 1056211, 1233804, 1787434, 1949928, 2112422, 2467608, 2681151, 3168633, 3574868, 4224844, 5362302, 6337266, 7149736, 8449688, 10724604, 11618321, 12674532, 21449208, 23236642, 25349064, 34854963, 46473284, 69709926, 92946568, 139419852, 278839704]

約数ペア:

[(1, 278839704), (2, 139419852), (3, 92946568), (4, 69709926), (6, 46473284), (8, 34854963), (11, 25349064), (12, 23236642), (13, 21449208), (22, 12674532), (24, 11618321), (26, 10724604), (33, 8449688), (39, 7149736), (44, 6337266), (52, 5362302), (66, 4224844), (78, 3574868), (88, 3168633), (104, 2681151), (113, 2467608), (132, 2112422), (143, 1949928), (156, 1787434), (226, 1233804), (264, 1056211), (286, 974964), (312, 893717), (339, 822536), (429, 649976), (452, 616902), (572, 487482), (678, 411268), (719, 387816), (858, 324988), (904, 308451), (1144, 243741), (1243, 224328), (1356, 205634), (1438, 193908), (1469, 189816), (1716, 162494), (2157, 129272), (2486, 112164), (2712, 102817), (2876, 96954), (2938, 94908), (3432, 81247), (3729, 74776), (4314, 64636), (4407, 63272), (4972, 56082), (5752, 48477), (5876, 47454), (7458, 37388), (7909, 35256), (8628, 32318), (8814, 31636), (9347, 29832), (9944, 28041), (11752, 23727), (14916, 18694), (15818, 17628), (16159, 17256)]