388922404

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 774912768

約数和(自身を除く): 385990364

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 67, 124, 134, 169, 268, 277, 338, 403, 554, 676, 806, 871, 1108, 1612, 1742, 2077, 3484, 3601, 4154, 5239, 7202, 8308, 8587, 10478, 11323, 14404, 17174, 18559, 20956, 22646, 27001, 34348, 37118, 45292, 46813, 54002, 74236, 93626, 108004, 111631, 187252, 223262, 241267, 351013, 446524, 482534, 575329, 702026, 965068, 1150658, 1404052, 1451203, 2301316, 2902406, 3136471, 5804812, 6272942, 7479277, 12545884, 14958554, 29917108, 97230601, 194461202, 388922404]

約数ペア:

[(1, 388922404), (2, 194461202), (4, 97230601), (13, 29917108), (26, 14958554), (31, 12545884), (52, 7479277), (62, 6272942), (67, 5804812), (124, 3136471), (134, 2902406), (169, 2301316), (268, 1451203), (277, 1404052), (338, 1150658), (403, 965068), (554, 702026), (676, 575329), (806, 482534), (871, 446524), (1108, 351013), (1612, 241267), (1742, 223262), (2077, 187252), (3484, 111631), (3601, 108004), (4154, 93626), (5239, 74236), (7202, 54002), (8308, 46813), (8587, 45292), (10478, 37118), (11323, 34348), (14404, 27001), (17174, 22646), (18559, 20956)]