221965890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{238673}}^1$

素因数の和:238714

約数の個数: 32

約数和(自身を含む): 549904896

約数和(自身を除く): 327939006

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 238673, 477346, 716019, 1193365, 1432038, 2386730, 3580095, 7160190, 7398863, 14797726, 22196589, 36994315, 44393178, 73988630, 110982945, 221965890]

約数ペア:

[(1, 221965890), (2, 110982945), (3, 73988630), (5, 44393178), (6, 36994315), (10, 22196589), (15, 14797726), (30, 7398863), (31, 7160190), (62, 3580095), (93, 2386730), (155, 1432038), (186, 1193365), (310, 716019), (465, 477346), (930, 238673)]