4219956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 11741184

約数和(自身を除く): 7521228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 127, 142, 156, 213, 234, 254, 284, 381, 426, 468, 508, 639, 762, 852, 923, 1143, 1278, 1524, 1651, 1846, 2286, 2556, 2769, 3302, 3692, 4572, 4953, 5538, 6604, 8307, 9017, 9906, 11076, 14859, 16614, 18034, 19812, 27051, 29718, 33228, 36068, 54102, 59436, 81153, 108204, 117221, 162306, 234442, 324612, 351663, 468884, 703326, 1054989, 1406652, 2109978, 4219956]

約数ペア:

[(1, 4219956), (2, 2109978), (3, 1406652), (4, 1054989), (6, 703326), (9, 468884), (12, 351663), (13, 324612), (18, 234442), (26, 162306), (36, 117221), (39, 108204), (52, 81153), (71, 59436), (78, 54102), (117, 36068), (127, 33228), (142, 29718), (156, 27051), (213, 19812), (234, 18034), (254, 16614), (284, 14859), (381, 11076), (426, 9906), (468, 9017), (508, 8307), (639, 6604), (762, 5538), (852, 4953), (923, 4572), (1143, 3692), (1278, 3302), (1524, 2769), (1651, 2556), (1846, 2286)]