639039452

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{839}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 1239598080

約数和(自身を除く): 600558628

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 487, 782, 839, 974, 1564, 1678, 1948, 3356, 8279, 11201, 14263, 16558, 19297, 22402, 28526, 33116, 38594, 44804, 57052, 77188, 190417, 328049, 380834, 408593, 656098, 761668, 817186, 1312196, 1634372, 6946081, 9397639, 13892162, 18795278, 27784324, 37590556, 159759863, 319519726, 639039452]

約数ペア:

[(1, 639039452), (2, 319519726), (4, 159759863), (17, 37590556), (23, 27784324), (34, 18795278), (46, 13892162), (68, 9397639), (92, 6946081), (391, 1634372), (487, 1312196), (782, 817186), (839, 761668), (974, 656098), (1564, 408593), (1678, 380834), (1948, 328049), (3356, 190417), (8279, 77188), (11201, 57052), (14263, 44804), (16558, 38594), (19297, 33116), (22402, 28526)]