1999557196

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 4392162432

約数和(自身を除く): 2392605236

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 101, 137, 182, 202, 274, 364, 397, 404, 548, 707, 794, 959, 1313, 1414, 1588, 1781, 1918, 2626, 2779, 2828, 3562, 3836, 5161, 5252, 5558, 7124, 9191, 10322, 11116, 12467, 13837, 18382, 20644, 24934, 27674, 36127, 36764, 40097, 49868, 54389, 55348, 72254, 80194, 96859, 108778, 144508, 160388, 179881, 193718, 217556, 280679, 359762, 380723, 387436, 521261, 561358, 707057, 719524, 761446, 1042522, 1122716, 1259167, 1414114, 1522892, 2085044, 2518334, 2828228, 3648827, 4949399, 5036668, 5493289, 7297654, 9898798, 10986578, 14595308, 19797596, 21973156, 38453023, 71412757, 76906046, 142825514, 153812092, 285651028, 499889299, 999778598, 1999557196]

約数ペア:

[(1, 1999557196), (2, 999778598), (4, 499889299), (7, 285651028), (13, 153812092), (14, 142825514), (26, 76906046), (28, 71412757), (52, 38453023), (91, 21973156), (101, 19797596), (137, 14595308), (182, 10986578), (202, 9898798), (274, 7297654), (364, 5493289), (397, 5036668), (404, 4949399), (548, 3648827), (707, 2828228), (794, 2518334), (959, 2085044), (1313, 1522892), (1414, 1414114), (1588, 1259167), (1781, 1122716), (1918, 1042522), (2626, 761446), (2779, 719524), (2828, 707057), (3562, 561358), (3836, 521261), (5161, 387436), (5252, 380723), (5558, 359762), (7124, 280679), (9191, 217556), (10322, 193718), (11116, 179881), (12467, 160388), (13837, 144508), (18382, 108778), (20644, 96859), (24934, 80194), (27674, 72254), (36127, 55348), (36764, 54389), (40097, 49868)]