81736494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 193342464

約数和(自身を除く): 111605970

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 73, 106, 146, 159, 219, 318, 371, 438, 503, 511, 742, 1006, 1022, 1113, 1509, 1533, 2226, 3018, 3066, 3521, 3869, 7042, 7738, 10563, 11607, 21126, 23214, 26659, 27083, 36719, 53318, 54166, 73438, 79977, 81249, 110157, 159954, 162498, 186613, 220314, 257033, 373226, 514066, 559839, 771099, 1119678, 1542198, 1946107, 3892214, 5838321, 11676642, 13622749, 27245498, 40868247, 81736494]

約数ペア:

[(1, 81736494), (2, 40868247), (3, 27245498), (6, 13622749), (7, 11676642), (14, 5838321), (21, 3892214), (42, 1946107), (53, 1542198), (73, 1119678), (106, 771099), (146, 559839), (159, 514066), (219, 373226), (318, 257033), (371, 220314), (438, 186613), (503, 162498), (511, 159954), (742, 110157), (1006, 81249), (1022, 79977), (1113, 73438), (1509, 54166), (1533, 53318), (2226, 36719), (3018, 27083), (3066, 26659), (3521, 23214), (3869, 21126), (7042, 11607), (7738, 10563)]