128972636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 249133248

約数和(自身を除く): 120160612

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 181, 193, 284, 362, 386, 724, 772, 923, 1846, 2353, 2509, 3692, 4706, 5018, 9412, 10036, 12851, 13703, 25702, 27406, 34933, 51404, 54812, 69866, 139732, 167063, 178139, 334126, 356278, 454129, 668252, 712556, 908258, 1816516, 2480243, 4960486, 9920972, 32243159, 64486318, 128972636]

約数ペア:

[(1, 128972636), (2, 64486318), (4, 32243159), (13, 9920972), (26, 4960486), (52, 2480243), (71, 1816516), (142, 908258), (181, 712556), (193, 668252), (284, 454129), (362, 356278), (386, 334126), (724, 178139), (772, 167063), (923, 139732), (1846, 69866), (2353, 54812), (2509, 51404), (3692, 34933), (4706, 27406), (5018, 25702), (9412, 13703), (10036, 12851)]