1225744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 40

約数和(自身を含む): 2624832

約数和(自身を除く): 1399088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 83, 104, 142, 166, 208, 284, 332, 568, 664, 923, 1079, 1136, 1328, 1846, 2158, 3692, 4316, 5893, 7384, 8632, 11786, 14768, 17264, 23572, 47144, 76609, 94288, 153218, 306436, 612872, 1225744]

約数ペア:

[(1, 1225744), (2, 612872), (4, 306436), (8, 153218), (13, 94288), (16, 76609), (26, 47144), (52, 23572), (71, 17264), (83, 14768), (104, 11786), (142, 8632), (166, 7384), (208, 5893), (284, 4316), (332, 3692), (568, 2158), (664, 1846), (923, 1328), (1079, 1136)]