71899724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 145094880

約数和(自身を除く): 73195156

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 61, 76, 122, 244, 247, 494, 793, 988, 1159, 1193, 1586, 2318, 2386, 3172, 4636, 4772, 15067, 15509, 22667, 30134, 31018, 45334, 60268, 62036, 72773, 90668, 145546, 291092, 294671, 589342, 946049, 1178684, 1382687, 1892098, 2765374, 3784196, 5530748, 17974931, 35949862, 71899724]

約数ペア:

[(1, 71899724), (2, 35949862), (4, 17974931), (13, 5530748), (19, 3784196), (26, 2765374), (38, 1892098), (52, 1382687), (61, 1178684), (76, 946049), (122, 589342), (244, 294671), (247, 291092), (494, 145546), (793, 90668), (988, 72773), (1159, 62036), (1193, 60268), (1586, 45334), (2318, 31018), (2386, 30134), (3172, 22667), (4636, 15509), (4772, 15067)]