398013590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{5477}}^1$

素因数の和:5553

約数の個数: 48

約数和(自身を含む): 793959408

約数和(自身を除く): 395945818

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 215, 338, 430, 559, 845, 1118, 1690, 2795, 5477, 5590, 7267, 10954, 14534, 27385, 36335, 54770, 71201, 72670, 142402, 235511, 356005, 471022, 712010, 925613, 1177555, 1851226, 2355110, 3061643, 4628065, 6123286, 9256130, 15308215, 30616430, 39801359, 79602718, 199006795, 398013590]

約数ペア:

[(1, 398013590), (2, 199006795), (5, 79602718), (10, 39801359), (13, 30616430), (26, 15308215), (43, 9256130), (65, 6123286), (86, 4628065), (130, 3061643), (169, 2355110), (215, 1851226), (338, 1177555), (430, 925613), (559, 712010), (845, 471022), (1118, 356005), (1690, 235511), (2795, 142402), (5477, 72670), (5590, 71201), (7267, 54770), (10954, 36335), (14534, 27385)]