31381168716

素因数分解:

$2^2\times 3^5\times {\mathrm{1153}}^1\times {\mathrm{28001}}^1$

素因数の和:29173

約数の個数: 72

約数和(自身を含む): 82336856784

約数和(自身を除く): 50955688068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 1153, 2306, 3459, 4612, 6918, 10377, 13836, 20754, 28001, 31131, 41508, 56002, 62262, 84003, 93393, 112004, 124524, 168006, 186786, 252009, 280179, 336012, 373572, 504018, 560358, 756027, 1008036, 1120716, 1512054, 2268081, 3024108, 4536162, 6804243, 9072324, 13608486, 27216972, 32285153, 64570306, 96855459, 129140612, 193710918, 290566377, 387421836, 581132754, 871699131, 1162265508, 1743398262, 2615097393, 3486796524, 5230194786, 7845292179, 10460389572, 15690584358, 31381168716]

約数ペア:

[(1, 31381168716), (2, 15690584358), (3, 10460389572), (4, 7845292179), (6, 5230194786), (9, 3486796524), (12, 2615097393), (18, 1743398262), (27, 1162265508), (36, 871699131), (54, 581132754), (81, 387421836), (108, 290566377), (162, 193710918), (243, 129140612), (324, 96855459), (486, 64570306), (972, 32285153), (1153, 27216972), (2306, 13608486), (3459, 9072324), (4612, 6804243), (6918, 4536162), (10377, 3024108), (13836, 2268081), (20754, 1512054), (28001, 1120716), (31131, 1008036), (41508, 756027), (56002, 560358), (62262, 504018), (84003, 373572), (93393, 336012), (112004, 280179), (124524, 252009), (168006, 186786)]