215108964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{911}}^1\times {\mathrm{937}}^1$

素因数の和:1865

約数の個数: 72

約数和(自身を含む): 622771968

約数和(自身を除く): 407663004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 911, 937, 1822, 1874, 2733, 2811, 3644, 3748, 5466, 5622, 6377, 6559, 8199, 8433, 10932, 11244, 12754, 13118, 16398, 16866, 19131, 19677, 25508, 26236, 32796, 33732, 38262, 39354, 57393, 59031, 76524, 78708, 114786, 118062, 229572, 236124, 853607, 1707214, 2560821, 3414428, 5121642, 5975249, 7682463, 10243284, 11950498, 15364926, 17925747, 23900996, 30729852, 35851494, 53777241, 71702988, 107554482, 215108964]

約数ペア:

[(1, 215108964), (2, 107554482), (3, 71702988), (4, 53777241), (6, 35851494), (7, 30729852), (9, 23900996), (12, 17925747), (14, 15364926), (18, 11950498), (21, 10243284), (28, 7682463), (36, 5975249), (42, 5121642), (63, 3414428), (84, 2560821), (126, 1707214), (252, 853607), (911, 236124), (937, 229572), (1822, 118062), (1874, 114786), (2733, 78708), (2811, 76524), (3644, 59031), (3748, 57393), (5466, 39354), (5622, 38262), (6377, 33732), (6559, 32796), (8199, 26236), (8433, 25508), (10932, 19677), (11244, 19131), (12754, 16866), (13118, 16398)]