278324172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{8431}}^1$

素因数の和:8579

約数の個数: 72

約数和(自身を含む): 810281472

約数和(自身を除く): 531957300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 786, 917, 1179, 1572, 1834, 2358, 2751, 3668, 4716, 5502, 8253, 8431, 11004, 16506, 16862, 25293, 33012, 33724, 50586, 59017, 75879, 101172, 118034, 151758, 177051, 236068, 303516, 354102, 531153, 708204, 1062306, 1104461, 2124612, 2208922, 3313383, 4417844, 6626766, 7731227, 9940149, 13253532, 15462454, 19880298, 23193681, 30924908, 39760596, 46387362, 69581043, 92774724, 139162086, 278324172]

約数ペア:

[(1, 278324172), (2, 139162086), (3, 92774724), (4, 69581043), (6, 46387362), (7, 39760596), (9, 30924908), (12, 23193681), (14, 19880298), (18, 15462454), (21, 13253532), (28, 9940149), (36, 7731227), (42, 6626766), (63, 4417844), (84, 3313383), (126, 2208922), (131, 2124612), (252, 1104461), (262, 1062306), (393, 708204), (524, 531153), (786, 354102), (917, 303516), (1179, 236068), (1572, 177051), (1834, 151758), (2358, 118034), (2751, 101172), (3668, 75879), (4716, 59017), (5502, 50586), (8253, 33724), (8431, 33012), (11004, 25293), (16506, 16862)]