47857428

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 137213440

約数和(自身を除く): 89356012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 37, 38, 57, 61, 62, 74, 76, 93, 111, 114, 122, 124, 148, 171, 183, 186, 222, 228, 244, 279, 333, 342, 366, 372, 444, 549, 558, 589, 666, 684, 703, 732, 1098, 1116, 1147, 1159, 1178, 1332, 1406, 1767, 1891, 2109, 2196, 2257, 2294, 2318, 2356, 2812, 3441, 3477, 3534, 3782, 4218, 4514, 4588, 4636, 5301, 5673, 6327, 6771, 6882, 6954, 7068, 7564, 8436, 9028, 10323, 10431, 10602, 11346, 12654, 13542, 13764, 13908, 17019, 20313, 20646, 20862, 21204, 21793, 22692, 25308, 27084, 34038, 35929, 40626, 41292, 41724, 42883, 43586, 65379, 68076, 69967, 71858, 81252, 85766, 87172, 107787, 128649, 130758, 139934, 143716, 171532, 196137, 209901, 215574, 257298, 261516, 279868, 323361, 385947, 392274, 419802, 431148, 514596, 629703, 646722, 771894, 784548, 839604, 1259406, 1293444, 1329373, 1543788, 2518812, 2658746, 3988119, 5317492, 7976238, 11964357, 15952476, 23928714, 47857428]

約数ペア:

[(1, 47857428), (2, 23928714), (3, 15952476), (4, 11964357), (6, 7976238), (9, 5317492), (12, 3988119), (18, 2658746), (19, 2518812), (31, 1543788), (36, 1329373), (37, 1293444), (38, 1259406), (57, 839604), (61, 784548), (62, 771894), (74, 646722), (76, 629703), (93, 514596), (111, 431148), (114, 419802), (122, 392274), (124, 385947), (148, 323361), (171, 279868), (183, 261516), (186, 257298), (222, 215574), (228, 209901), (244, 196137), (279, 171532), (333, 143716), (342, 139934), (366, 130758), (372, 128649), (444, 107787), (549, 87172), (558, 85766), (589, 81252), (666, 71858), (684, 69967), (703, 68076), (732, 65379), (1098, 43586), (1116, 42883), (1147, 41724), (1159, 41292), (1178, 40626), (1332, 35929), (1406, 34038), (1767, 27084), (1891, 25308), (2109, 22692), (2196, 21793), (2257, 21204), (2294, 20862), (2318, 20646), (2356, 20313), (2812, 17019), (3441, 13908), (3477, 13764), (3534, 13542), (3782, 12654), (4218, 11346), (4514, 10602), (4588, 10431), (4636, 10323), (5301, 9028), (5673, 8436), (6327, 7564), (6771, 7068), (6882, 6954)]