1815674123525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1279}}^1\times {\mathrm{12401}}^1$

素因数の和:13950

約数の個数: 48

約数和(自身を含む): 2381818982400

約数和(自身を除く): 566144858875

約数列:

[1, 5, 19, 25, 95, 241, 475, 1205, 1279, 4579, 6025, 6395, 12401, 22895, 24301, 31975, 62005, 114475, 121505, 235619, 308239, 310025, 607525, 1178095, 1541195, 2988641, 5856541, 5890475, 7705975, 14943205, 15860879, 29282705, 56784179, 74716025, 79304395, 146413525, 283920895, 301356701, 396521975, 1419604475, 1506783505, 3822471839, 7533917525, 19112359195, 72626964941, 95561795975, 363134824705, 1815674123525]

約数ペア:

[(1, 1815674123525), (5, 363134824705), (19, 95561795975), (25, 72626964941), (95, 19112359195), (241, 7533917525), (475, 3822471839), (1205, 1506783505), (1279, 1419604475), (4579, 396521975), (6025, 301356701), (6395, 283920895), (12401, 146413525), (22895, 79304395), (24301, 74716025), (31975, 56784179), (62005, 29282705), (114475, 15860879), (121505, 14943205), (235619, 7705975), (308239, 5890475), (310025, 5856541), (607525, 2988641), (1178095, 1541195)]