25988235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 52039680

約数和(自身を除く): 26051445

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 79, 91, 105, 195, 237, 241, 273, 395, 455, 553, 723, 1027, 1185, 1205, 1365, 1659, 1687, 2765, 3081, 3133, 3615, 5061, 5135, 7189, 8295, 8435, 9399, 15405, 15665, 19039, 21567, 21931, 25305, 35945, 46995, 57117, 65793, 95195, 107835, 109655, 133273, 247507, 285585, 328965, 399819, 666365, 742521, 1237535, 1732549, 1999095, 3712605, 5197647, 8662745, 25988235]

約数ペア:

[(1, 25988235), (3, 8662745), (5, 5197647), (7, 3712605), (13, 1999095), (15, 1732549), (21, 1237535), (35, 742521), (39, 666365), (65, 399819), (79, 328965), (91, 285585), (105, 247507), (195, 133273), (237, 109655), (241, 107835), (273, 95195), (395, 65793), (455, 57117), (553, 46995), (723, 35945), (1027, 25305), (1185, 21931), (1205, 21567), (1365, 19039), (1659, 15665), (1687, 15405), (2765, 9399), (3081, 8435), (3133, 8295), (3615, 7189), (5061, 5135)]