668645466

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{2003}}^1$

素因数の和:2131

約数の個数: 64

約数和(自身を含む): 1454423040

約数和(自身を除く): 785777574

約数列:

[1, 2, 3, 6, 23, 41, 46, 59, 69, 82, 118, 123, 138, 177, 246, 354, 943, 1357, 1886, 2003, 2419, 2714, 2829, 4006, 4071, 4838, 5658, 6009, 7257, 8142, 12018, 14514, 46069, 55637, 82123, 92138, 111274, 118177, 138207, 164246, 166911, 236354, 246369, 276414, 333822, 354531, 492738, 709062, 1888829, 2718071, 3777658, 4845257, 5436142, 5666487, 8154213, 9690514, 11332974, 14535771, 16308426, 29071542, 111440911, 222881822, 334322733, 668645466]

約数ペア:

[(1, 668645466), (2, 334322733), (3, 222881822), (6, 111440911), (23, 29071542), (41, 16308426), (46, 14535771), (59, 11332974), (69, 9690514), (82, 8154213), (118, 5666487), (123, 5436142), (138, 4845257), (177, 3777658), (246, 2718071), (354, 1888829), (943, 709062), (1357, 492738), (1886, 354531), (2003, 333822), (2419, 276414), (2714, 246369), (2829, 236354), (4006, 166911), (4071, 164246), (4838, 138207), (5658, 118177), (6009, 111274), (7257, 92138), (8142, 82123), (12018, 55637), (14514, 46069)]