61981304

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 145843200

約数和(自身を除く): 83861896

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 239, 308, 421, 478, 616, 842, 956, 1673, 1684, 1912, 2629, 2947, 3346, 3368, 4631, 5258, 5894, 6692, 9262, 10516, 11788, 13384, 18403, 18524, 21032, 23576, 32417, 36806, 37048, 64834, 73612, 100619, 129668, 147224, 201238, 259336, 402476, 704333, 804952, 1106809, 1408666, 2213618, 2817332, 4427236, 5634664, 7747663, 8854472, 15495326, 30990652, 61981304]

約数ペア:

[(1, 61981304), (2, 30990652), (4, 15495326), (7, 8854472), (8, 7747663), (11, 5634664), (14, 4427236), (22, 2817332), (28, 2213618), (44, 1408666), (56, 1106809), (77, 804952), (88, 704333), (154, 402476), (239, 259336), (308, 201238), (421, 147224), (478, 129668), (616, 100619), (842, 73612), (956, 64834), (1673, 37048), (1684, 36806), (1912, 32417), (2629, 23576), (2947, 21032), (3346, 18524), (3368, 18403), (4631, 13384), (5258, 11788), (5894, 10516), (6692, 9262)]