131291928

素因数分解:

$2^3\times 3^5\times {\mathrm{67537}}^1$

素因数の和:67558

約数の個数: 48

約数和(自身を含む): 368757480

約数和(自身を除く): 237465552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 67537, 135074, 202611, 270148, 405222, 540296, 607833, 810444, 1215666, 1620888, 1823499, 2431332, 3646998, 4862664, 5470497, 7293996, 10940994, 14587992, 16411491, 21881988, 32822982, 43763976, 65645964, 131291928]

約数ペア:

[(1, 131291928), (2, 65645964), (3, 43763976), (4, 32822982), (6, 21881988), (8, 16411491), (9, 14587992), (12, 10940994), (18, 7293996), (24, 5470497), (27, 4862664), (36, 3646998), (54, 2431332), (72, 1823499), (81, 1620888), (108, 1215666), (162, 810444), (216, 607833), (243, 540296), (324, 405222), (486, 270148), (648, 202611), (972, 135074), (1944, 67537)]