1371890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 2718576

約数和(自身を除く): 1346686

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 173, 305, 346, 610, 793, 865, 1586, 1730, 2249, 3965, 4498, 7930, 10553, 11245, 21106, 22490, 52765, 105530, 137189, 274378, 685945, 1371890]

約数ペア:

[(1, 1371890), (2, 685945), (5, 274378), (10, 137189), (13, 105530), (26, 52765), (61, 22490), (65, 21106), (122, 11245), (130, 10553), (173, 7930), (305, 4498), (346, 3965), (610, 2249), (793, 1730), (865, 1586)]