218427118

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 430230528

約数和(自身を除く): 211803410

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 227, 238, 311, 442, 454, 622, 1547, 1589, 2177, 2951, 3094, 3178, 3859, 4043, 4354, 5287, 5902, 7718, 8086, 10574, 20657, 27013, 28301, 37009, 41314, 50167, 54026, 56602, 68731, 70597, 74018, 100334, 137462, 141194, 351169, 481117, 494179, 702338, 917761, 962234, 988358, 1200149, 1835522, 2400298, 6424327, 8401043, 12848654, 15601937, 16802086, 31203874, 109213559, 218427118]

約数ペア:

[(1, 218427118), (2, 109213559), (7, 31203874), (13, 16802086), (14, 15601937), (17, 12848654), (26, 8401043), (34, 6424327), (91, 2400298), (119, 1835522), (182, 1200149), (221, 988358), (227, 962234), (238, 917761), (311, 702338), (442, 494179), (454, 481117), (622, 351169), (1547, 141194), (1589, 137462), (2177, 100334), (2951, 74018), (3094, 70597), (3178, 68731), (3859, 56602), (4043, 54026), (4354, 50167), (5287, 41314), (5902, 37009), (7718, 28301), (8086, 27013), (10574, 20657)]