2728206

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 6486480

約数和(自身を除く): 3758274

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 89, 117, 131, 178, 234, 262, 267, 393, 534, 786, 801, 1157, 1179, 1602, 1703, 2314, 2358, 3406, 3471, 5109, 6942, 10218, 10413, 11659, 15327, 20826, 23318, 30654, 34977, 69954, 104931, 151567, 209862, 303134, 454701, 909402, 1364103, 2728206]

約数ペア:

[(1, 2728206), (2, 1364103), (3, 909402), (6, 454701), (9, 303134), (13, 209862), (18, 151567), (26, 104931), (39, 69954), (78, 34977), (89, 30654), (117, 23318), (131, 20826), (178, 15327), (234, 11659), (262, 10413), (267, 10218), (393, 6942), (534, 5109), (786, 3471), (801, 3406), (1157, 2358), (1179, 2314), (1602, 1703)]