840509644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{907}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 1614525696

約数和(自身を除く): 774016052

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 251, 284, 502, 907, 923, 1004, 1814, 1846, 3263, 3628, 3692, 6526, 11791, 13052, 17821, 23582, 35642, 47164, 64397, 71284, 128794, 227657, 231673, 257588, 455314, 463346, 837161, 910628, 926692, 1674322, 2959541, 3348644, 5919082, 11838164, 16163647, 32327294, 64654588, 210127411, 420254822, 840509644]

約数ペア:

[(1, 840509644), (2, 420254822), (4, 210127411), (13, 64654588), (26, 32327294), (52, 16163647), (71, 11838164), (142, 5919082), (251, 3348644), (284, 2959541), (502, 1674322), (907, 926692), (923, 910628), (1004, 837161), (1814, 463346), (1846, 455314), (3263, 257588), (3628, 231673), (3692, 227657), (6526, 128794), (11791, 71284), (13052, 64397), (17821, 47164), (23582, 35642)]