287084772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{991}}^1$

素因数の和:1633

約数の個数: 72

約数和(自身を含む): 783560960

約数和(自身を除く): 496476188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 619, 991, 1238, 1857, 1982, 2476, 2973, 3714, 3964, 5571, 5946, 7428, 8047, 8919, 11142, 11892, 12883, 16094, 17838, 22284, 24141, 25766, 32188, 35676, 38649, 48282, 51532, 72423, 77298, 96564, 115947, 144846, 154596, 231894, 289692, 463788, 613429, 1226858, 1840287, 2453716, 3680574, 5520861, 7361148, 7974577, 11041722, 15949154, 22083444, 23923731, 31898308, 47847462, 71771193, 95694924, 143542386, 287084772]

約数ペア:

[(1, 287084772), (2, 143542386), (3, 95694924), (4, 71771193), (6, 47847462), (9, 31898308), (12, 23923731), (13, 22083444), (18, 15949154), (26, 11041722), (36, 7974577), (39, 7361148), (52, 5520861), (78, 3680574), (117, 2453716), (156, 1840287), (234, 1226858), (468, 613429), (619, 463788), (991, 289692), (1238, 231894), (1857, 154596), (1982, 144846), (2476, 115947), (2973, 96564), (3714, 77298), (3964, 72423), (5571, 51532), (5946, 48282), (7428, 38649), (8047, 35676), (8919, 32188), (11142, 25766), (11892, 24141), (12883, 22284), (16094, 17838)]